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/** \file
* \brief mask pattern matching
*
* See Copyright Notice in "iup.h"
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "iup_maskparse.h"
#include "iup_mask.h"
#include "iup_str.h"
#define IUP_MASK_FLOAT "[+/-]?(/d+/.?/d*|/./d+)"
#define IUP_MASK_UFLOAT "(/d+/.?/d*|/./d+)"
#define IUP_MASK_INT "[+/-]?/d+"
#define IUP_MASK_UINT "/d+"
struct _Imask
{
char* mask_str;
ImaskParsed* fsm;
int casei;
char type;
float fmin,
fmax;
int imin,
imax;
};
int iupMaskCheck(Imask* mask, const char *val)
{
int ret;
/* empty text or no mask */
if (!val || !(*val) || !mask)
return 1;
ret = iupMaskMatch(val,mask->fsm,0,NULL,NULL,NULL,mask->casei);
if (ret == IMASK_PARTIALMATCH)
return -1;
if (ret != (int)strlen(val))
return 0;
switch(mask->type)
{
case 'I':
{
int ival = 0;
sscanf(val,"%d",&ival);
if(ival < mask->imin || ival > mask->imax)
return 0;
break;
}
case 'F':
{
float fval = 0;
sscanf(val,"%f",&fval);
if(fval < mask->fmin || fval > mask->fmax)
return 0;
break;
}
}
return 1;
}
Imask* iupMaskCreate(const char* mask_str, int casei)
{
ImaskParsed* fsm;
Imask* mask;
char* copy_mask_str;
if (!mask_str)
return NULL;
/* Parse the mask first */
copy_mask_str = iupStrDup(mask_str);
if (iupMaskParse(copy_mask_str, &fsm) != IMASK_PARSE_OK)
{
free(copy_mask_str);
return NULL;
}
mask = (Imask*)malloc(sizeof(Imask));
memset(mask, 0, sizeof(Imask));
mask->mask_str = copy_mask_str;
mask->casei = casei;
mask->fsm = fsm;
return mask;
}
Imask* iupMaskCreateInt(int min, int max)
{
Imask* mask;
if (min < 0)
mask = iupMaskCreate(IUP_MASK_INT, 0);
else
mask = iupMaskCreate(IUP_MASK_UINT, 0);
if (mask)
{
mask->imin = min;
mask->imax = max;
mask->type = 'I';
}
return mask;
}
Imask* iupMaskCreateFloat(float min, float max)
{
Imask* mask;
if (min < 0)
mask = iupMaskCreate(IUP_MASK_FLOAT, 0);
else
mask = iupMaskCreate(IUP_MASK_UFLOAT, 0);
if (mask)
{
mask->fmin = min;
mask->fmax = max;
mask->type = 'F';
}
return mask;
}
void iupMaskDestroy(Imask* mask)
{
free(mask->mask_str);
free(mask->fsm);
free(mask);
}
char* iupMaskGetStr(Imask* mask)
{
return mask->mask_str;
}
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